acid fog

noun

: fog having increased acidity caused by environmental factors (such as atmospheric pollutants)
Even so, a combination of acid fog and ozone may have made trees on this and other Eastern summits more vulnerable to bugs, weather, and drought.—Edmund Faltermayer, Fortune, 17 July 1989

Word History

First Known Use

1878, in the meaning defined above

Time Traveler
The first known use of acid fog was in 1878

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Dictionary Entries Near acid fog

acid-fast

acid fog

acid-free

See More Nearby Entries 

Cite this Entry

“Acid fog.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/acid%20fog. Accessed 28 Nov. 2024.

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